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Efficacy of Neoadjuvant PD-1 Blockade Plus Chemotherapy for Esophageal Squamous Cell Carcinoma

Esophageal Squamous Cell Carcinoma Clinical Trial

Official title:
The Efficacy of Neoadjuvant PD-1 Plus Concurrent Chemotherapy for Stage II-IVA Operable Esophageal Squamous Cell Carcinoma：A Single Armed, Open-label, Multicentre, Clinical Trial

Clinical Trial Summary

This study aims to evaluate the efficacy of Camrelizumab plus concurrent chemotherapy as neoadjuvant approach for patients with opearble esophageal squamous cell carcinoma. In addition, potential clinical utility of ctDNA in monitoring tumor burden and dynamics of tumor clonality during neoadjuvant immunotherapy will be assessed as well. At the same time, CD8 and PD-L1 will also be used as monitoring indicators.

Clinical Trial Description

Immunotherapy improves clinical outcome of patients with advanced stage or metastatic esophageal squamous cell carcinoma (ESCC). In addition, superior effect of immunotherapy for esophageal squamous cell carcinoma was also reported recently. While, clinical application of ctDNA, PD-L1 and CD8 T cell monitoring in neoadjuvant immunotherapy for patients with esophageal squamous cell carcinoma is largely unknown. This trial will evaluate firstly the efficacy and the safety of Camrelizumab plus chemotherapy （albumin-bound paclitaxel plus cisplatin）as neoadjuvant approach. The evaluation indicators include pathological complete response rate (pCR) and objective imaging response rate after neoadjuvant therapy (ORR). ), 2-year progression-free survival (2y-PFS), postoperative progression-free survival (PFS), and overall survival (OS) after treatment. Objective response rate (ORR) based upon immune-Response Evaluation Criteria in Solid Tumors Version (RECIST v1.1). Major pathological response assessed by post-operational pathological review ctDNA efficacy will also be evaluated along with clinical management. Monitoring tumor burden, clonality as well as tumor heterogeneity evaluation will be correlated to radiological assessment and pathological findings. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04225364
Study type Interventional
Source Guangzhou Institute of Respiratory Disease
Contact
Status Completed
Phase Phase 2
Start date January 17, 2020
Completion date January 31, 2021
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